EP0354508A3 - Benzopyranol derivatives - Google Patents
Benzopyranol derivatives Download PDFInfo
- Publication number
- EP0354508A3 EP0354508A3 EP19890114523 EP89114523A EP0354508A3 EP 0354508 A3 EP0354508 A3 EP 0354508A3 EP 19890114523 EP19890114523 EP 19890114523 EP 89114523 A EP89114523 A EP 89114523A EP 0354508 A3 EP0354508 A3 EP 0354508A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- lower alkyl
- alkyl
- alkoxy
- alkanoyl
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/06—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/06—Antihyperlipidemics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/08—Antiallergic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
- C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/10—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
- C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
- C07D407/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
- C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
- C07D491/048—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pulmonology (AREA)
- Obesity (AREA)
- Diabetes (AREA)
- Hematology (AREA)
- Immunology (AREA)
- Pain & Pain Management (AREA)
- Rheumatology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pyrane Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
Benzopyranolderivate der Formel
worin A -C≡C-R⁶, -CH₂CH₂-R⁷ oder
und R¹ Wasserstoff oder nieder-Alkanoyl,
R², R³ und R⁴ Wasserstoff oder nieder-Alkyl,
R⁵ nieder-Alkyl,
R⁶ und R⁷ ein heteroaromatisches Radikal oder ein
aromatisches Radikal aus der Gruppe von Phenyl, Naphthyl
oder Phenanthryl, wobei ein solches aromatisches Radikal
R⁶ oder R⁷ unsubstituiert oder durch einen oder
mehrere Reste Z⁶ bzw. Z⁷ substituiert sein kann,
Z⁶ Phenyl-nieder-alkoxy, Hydroxyimino-nieder-alkyl
oder eine Gruppe Z,
Z⁷ Phenyl-C₂₋₇-alkoxy oder eine Gruppe Z,
Z, Cl, F, nieder-alkyl, nieder-Alkoxy, nieder-Alkanoyl,
nieder-Alkanoyloxy, Hydroxy-nieder-alkyl, COOH, nieder-
Alkoxycarbonyl, NH₂, Amino-nieder-alkyl, Mono- oder
Di-nieder-alkylamino, Mono- oder Di-nieder-alkylamino-
nieder-alkyl, nieder-Alkanoylamino, CONH₂, Mono- oder
Di-nieder-alkylcarbamoyl, Trifluoracetylamino, CF₃, OH
oder Pyridyl ist; oder Z mit zwei benachbarten C-Atomen
die Gruppierung -OCH₂CH₂N(R″)- oder
-OCH₂CON(R‴)- bildet,
R″ H, nieder Alkanoyl oder Trifluoracetyl,
R‴ H oder nieder Alkyl,
R⁸, R⁹ und R¹⁰ H, OH, nieder Alkyl, nieder Alkoxy,
Hydroxy-nieder-alkyl, F, Cl oder nieder-Alkanoyl sind,
jedoch nicht mehr als eins von R⁸, R⁹ oder R¹⁰ OH,
nieder-Alkoxy, Hydroxy-nieder-alkyl, F, Cl oder nieder-
Alkanoyl ist, und
Y CH oder N ist,
und Salze davon. Benzopyranol derivatives of the formula wherein A -C≡C-R⁶, -CH₂CH₂-R⁷ or and R¹ is hydrogen or lower alkanoyl,
R², R³ and R⁴ are hydrogen or lower alkyl,
R⁵ lower alkyl,
R⁶ and R⁷ are a heteroaromatic radical or an aromatic radical from the group of phenyl, naphthyl or phenanthryl, where such an aromatic radical R⁶ or R⁷ may be unsubstituted or substituted by one or more Z⁶ or Z⁷ radicals,
Z⁶ phenyl-lower alkoxy, hydroxyimino-lower alkyl or a group Z,
Z⁷ phenyl-C₂₋₇-alkoxy or a group Z, Z, Cl, F, lower alkyl, lower alkoxy, lower alkanoyl, lower alkanoyloxy, hydroxy lower alkyl, COOH, lower alkoxycarbonyl, NH₂, amino -Lower alkyl, mono- or di-lower alkylamino, mono- or di-lower alkylamino- lower alkyl, lower alkanoylamino, CONH₂, mono- or di-lower alkylcarbamoyl, trifluoroacetylamino, CF₃, OH or pyridyl ; or Z forms the grouping -OCH₂CH₂N (R ″) - or -OCH₂CON (R ‴) - with two adjacent C atoms,
R ″ H, lower alkanoyl or trifluoroacetyl,
R ‴ H or lower alkyl,
R⁸, R⁹ and R¹⁰ are H, OH, lower alkyl, lower alkoxy, hydroxy lower alkyl, F, Cl or lower alkanoyl, but not more than one of R⁸, R⁹ or R¹⁰ OH, lower alkoxy, hydroxy lower -alkyl, F, Cl or lower alkanoyl, and
Y is CH or N,
and salts thereof.
Die Verbindungen der Formel I sind als Inhibitoren der 5-Lipoxygenase und der Lipidperoxidation wirksam. Sie sind daher bei der Behandlung von Krankheiten, die durch über mässigen oxidativen Metabolismus der Arachidonsäure via 5-Lipoxygenase verursacht sind, sowie bei der Behandlung von Inflammationen, Arthritis, Allergien, Asthma und Psoriasis von Wert. Die Verbindungen der Formel I können auch zur Vorbeugung der Peroxidation der Lipide und daher zum Schutz der Lipidmembranen gegen oxidative Beanspruchung Verwendung finden. The compounds of formula I are as inhibitors of 5-Lipoxygenase and lipid peroxidation effective. you are therefore in the treatment of diseases caused by over moderate oxidative metabolism of arachidonic acid via 5-Lipoxygenase are caused, as well as in the treatment of Inflammation, arthritis, allergies, asthma and psoriasis of value. The compounds of formula I can also Prevention of lipid peroxidation and therefore protection the lipid membranes against oxidative stress use Find.
Sie können hergestellt werden ausgehend von Verbindungen der Formel I, worin A für Aethinyl steht. They can be made from connections of formula I, wherein A is ethynyl.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23009488A | 1988-08-09 | 1988-08-09 | |
US230094 | 1988-08-09 | ||
US07/367,082 US5015661A (en) | 1988-08-09 | 1989-06-16 | Chromanes and their pharmaceutical compositions and methods |
US367082 | 1989-06-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0354508A2 EP0354508A2 (en) | 1990-02-14 |
EP0354508A3 true EP0354508A3 (en) | 1991-03-27 |
Family
ID=26923917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19890114523 Withdrawn EP0354508A3 (en) | 1988-08-09 | 1989-08-07 | Benzopyranol derivatives |
Country Status (13)
Country | Link |
---|---|
US (1) | US5015661A (en) |
EP (1) | EP0354508A3 (en) |
JP (1) | JPH0283379A (en) |
KR (1) | KR900003175A (en) |
AU (1) | AU616039B2 (en) |
DK (1) | DK389089A (en) |
HU (1) | HU206204B (en) |
IL (1) | IL91245A0 (en) |
MC (1) | MC2050A1 (en) |
NO (1) | NO172643C (en) |
NZ (1) | NZ230233A (en) |
PH (1) | PH27235A (en) |
PT (1) | PT91400A (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1305480C (en) * | 1987-03-20 | 1992-07-21 | Roshantha A.S. Chandraratna | Disubstituted acetylenes bearing heteroaromatic and heterobicyclic groups having retinoid like activity |
FR2676056B1 (en) * | 1991-05-03 | 1993-07-16 | Adir | NOVEL BENZOPYRAN DERIVATIVES, THEIR PREPARATION PROCESS AND THE PHARMACEUTICAL COMPOSITIONS CONTAINING THEM. |
US5149703A (en) * | 1991-09-06 | 1992-09-22 | Merck Frosst Canada, Inc. | Quinoline-substituted chromans and related compounds as leukotriene antagonists |
US5280040A (en) * | 1993-03-11 | 1994-01-18 | Zymogenetics, Inc. | Methods for reducing bone loss using centchroman derivatives |
US5451603A (en) * | 1993-03-11 | 1995-09-19 | Zymogenetics, Inc. | 3,4-diarylchromans for treatment of dermatitis |
CA2153979C (en) * | 1993-12-08 | 2003-10-21 | Mark Hellberg | Compounds having both potent calcium antagonist and antioxidant activity and use thereof as cytoprotective agents |
US5747528A (en) * | 1996-02-21 | 1998-05-05 | Warner-Lambert Company | Chroman derivatives as anti-oxidants |
ITTO20030140U1 (en) * | 2003-09-16 | 2005-03-17 | Interfila Srl | COSMETIC PENCIL |
CA2580584C (en) | 2003-09-19 | 2015-07-28 | Galileo Pharmaceuticals, Inc. | Use of alpha-tocotrienol for treatment of mitochondrial diseases |
BRPI0519013A2 (en) * | 2004-12-13 | 2009-11-03 | Lilly Co Eli | single compound or stereoisomers, mixtures of pharmaceutically acceptable stereoisomers, salts, tautomers or prodrugs thereof, pharmaceutical composition, and use of a compound |
CA2600004A1 (en) | 2005-02-25 | 2006-09-08 | Eli Lilly And Company | Spiro-heterocyclic chromans, thiochromans and dihydroquinolines |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987005020A1 (en) * | 1986-02-21 | 1987-08-27 | Kuraray Co., Ltd. | 3,4-dihydro-2h-benzopyran derivatives and their medicinal use |
EP0320777A2 (en) * | 1987-12-18 | 1989-06-21 | F. Hoffmann-La Roche Ag | A novel approach to produce natural vitamin E making use of an asymmetric synthesis |
EP0207581B1 (en) * | 1985-02-26 | 1990-09-12 | Sankyo Company Limited | Thiazolidine derivatives, their preparation and use |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6051189A (en) * | 1983-08-30 | 1985-03-22 | Sankyo Co Ltd | Thiazolidine derivative and its preparation |
US4681890A (en) * | 1984-10-30 | 1987-07-21 | Kuraray Co., Ltd. | 3,4-dihydrobenzopyran compounds and pharmaceutical composition containing the same |
DE3484473D1 (en) * | 1984-12-06 | 1991-05-23 | Kuraray Co | CHROMAN CONNECTIONS AND THEIR PRODUCTION. |
JPS61148173A (en) * | 1984-12-20 | 1986-07-05 | Kuraray Co Ltd | Novel amine and its salt |
JPS61204122A (en) * | 1985-03-07 | 1986-09-10 | Kuraray Co Ltd | Remedy for liver disease |
JPS61210030A (en) * | 1985-03-13 | 1986-09-18 | Agency Of Ind Science & Technol | Antitumor agent |
JPS61267571A (en) * | 1985-05-20 | 1986-11-27 | Kuraray Co Ltd | 2-(4-chlorophenoxy)-2-methylpropionic acid ester and antilipemic agent containing said compound as active constituent |
JPS61267570A (en) * | 1985-05-20 | 1986-11-27 | Kuraray Co Ltd | 3,4-dihydro-2h-benzopyran derivative and cholagogue containing said derivative as active constituent |
JPS62132879A (en) * | 1985-12-05 | 1987-06-16 | Kuraray Co Ltd | 3,4-dihydro-2h-benzopyran derivative and antiallergic agent containing said derivative as active ingredient |
US4752646A (en) * | 1986-01-23 | 1988-06-21 | Hoffmann-La Roche Inc. | 2-halochromans |
US4824971A (en) * | 1986-01-23 | 1989-04-25 | Hoffman-La Roche Inc. | 2-allylchromans |
US4879395A (en) * | 1987-03-27 | 1989-11-07 | Hoffmann-La Roche Inc. | Vitamin E intermediate |
US4914217A (en) * | 1987-12-18 | 1990-04-03 | Hoffmann-La Roche Inc. | Asymmetric synthesis of natural vitamin E |
-
1989
- 1989-06-16 US US07/367,082 patent/US5015661A/en not_active Expired - Fee Related
- 1989-08-07 MC MC892067A patent/MC2050A1/en unknown
- 1989-08-07 EP EP19890114523 patent/EP0354508A3/en not_active Withdrawn
- 1989-08-07 HU HU893980A patent/HU206204B/en not_active IP Right Cessation
- 1989-08-07 NZ NZ230233A patent/NZ230233A/en unknown
- 1989-08-08 IL IL91245A patent/IL91245A0/en unknown
- 1989-08-08 KR KR1019890011280A patent/KR900003175A/en not_active Application Discontinuation
- 1989-08-08 DK DK389089A patent/DK389089A/en not_active Application Discontinuation
- 1989-08-08 AU AU39418/89A patent/AU616039B2/en not_active Ceased
- 1989-08-08 PH PH39069A patent/PH27235A/en unknown
- 1989-08-08 NO NO893198A patent/NO172643C/en unknown
- 1989-08-08 PT PT198991400A patent/PT91400A/en unknown
- 1989-08-09 JP JP1204905A patent/JPH0283379A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0207581B1 (en) * | 1985-02-26 | 1990-09-12 | Sankyo Company Limited | Thiazolidine derivatives, their preparation and use |
WO1987005020A1 (en) * | 1986-02-21 | 1987-08-27 | Kuraray Co., Ltd. | 3,4-dihydro-2h-benzopyran derivatives and their medicinal use |
EP0320777A2 (en) * | 1987-12-18 | 1989-06-21 | F. Hoffmann-La Roche Ag | A novel approach to produce natural vitamin E making use of an asymmetric synthesis |
Also Published As
Publication number | Publication date |
---|---|
NZ230233A (en) | 1992-03-26 |
HUT52493A (en) | 1990-07-28 |
JPH0579072B2 (en) | 1993-11-01 |
NO893198L (en) | 1990-02-12 |
EP0354508A2 (en) | 1990-02-14 |
NO893198D0 (en) | 1989-08-08 |
KR900003175A (en) | 1990-03-23 |
NO172643C (en) | 1993-08-18 |
HU206204B (en) | 1992-09-28 |
AU616039B2 (en) | 1991-10-17 |
PH27235A (en) | 1993-05-04 |
NO172643B (en) | 1993-05-10 |
MC2050A1 (en) | 1990-07-17 |
US5015661A (en) | 1991-05-14 |
PT91400A (en) | 1990-03-08 |
IL91245A0 (en) | 1990-03-19 |
JPH0283379A (en) | 1990-03-23 |
DK389089A (en) | 1990-02-10 |
DK389089D0 (en) | 1989-08-08 |
AU3941889A (en) | 1990-02-15 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 19890807 |
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AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
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